January weather forecastJonestown, MS
January
Weather in January
January, like December, is another chilly winter month in Jonestown, Mississippi, with an average temperature varying between 49.1°F (9.5°C) and 35.8°F (2.1°C).Temperature
January is the month when Jonestown experiences its coldest temperatures, averaging a high of 49.1°F (9.5°C) and a low of 35.8°F (2.1°C).Humidity
In Jonestown, the average relative humidity in January is 76%.Rainfall
In January, in Jonestown, the rain falls for 11.8 days. Throughout January, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Jonestown, there are 163.5 rainfall days, and 42.68" (1084mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In January, it is snowing for 0.9 days. Throughout January, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 3.8 snowfall days, and 1.46" (37mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 10min.On the first day of the month, sunrise is at 7:07 am and sunset at 5:02 pm. On the last day of January, in Jonestown, sunrise is at 7:00 am and sunset at 5:30 pm CST.
Sunshine
In Jonestown, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 3 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Jonestown, MS
- Average high temperature in January: 49.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in January: 35.8°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (35.8°F).
Average pressure in January
Jonestown, MS
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Jonestown, MS
- Average wind speed in January: 9.2mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Jonestown, MS
- Average humidity in January: 76%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
Jonestown, MS
- Average rainfall in January: 2.95"
The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in January
Jonestown, MS
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is August (18.3 days).
The months with the least rainy days are October and November (9.6 days).
Average snowfall in January
Jonestown, MS
- Average snowfall in January: 0.31"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Jonestown, MS
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jonestown, MS
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Jonestown, MS
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in January
Jonestown, MS
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in January
Jonestown, MS
- Average cloud cover in January: 43
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in January
Jonestown, MS
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





